Mold can grow in damp and poorly ventilated areas of the home, and can cause respiratory problems, allergies, and other health issues.
Some cleaning products contain harsh chemicals that can irritate the skin and respiratory system, and contribute to indoor air pollution.
Dust mites are microscopic organisms that live in bedding, upholstery, and carpets, and can cause allergic reactions and exacerbate asthma symptoms.
Carbon monoxide is a toxic gas that can be produced by malfunctioning gas appliances, and can cause headaches, dizziness, and even death.
Radon is a radioactive gas that can seep into homes from the ground, and can cause lung cancer.
Lead can be found in old paint and pipes, and can cause developmental delays, behavior problems, and other health issues.
Pesticides can be found in insect sprays, rodent poisons, and other household products, and can cause respiratory problems, headaches, and other health issues.
Formaldehyde is a chemical commonly found in building materials, such as particleboard and plywood, and can cause respiratory problems and cancer.
Asbestos is a mineral that was commonly used in building materials in the past, and can cause lung cancer and other health issues when it is inhaled.